residential unit

例句：

1. 1. The residential unit is located on the third floor of the building.
   这个住宅单元位于大楼的第三层。
2. 2.They rented a residential unit in the city center for their family.
   他们为家人租了市中心的一个住宅单元。
3. 3. The new residential unit has a large living room and a modern kitchen.
   新的住宅单元有一个宽敞的客厅和一个现代的厨房。